[PATCH 17/22] arm64: vdso: disable LTO

Sami Tolvanen samitolvanen at google.com
Wed Jun 24 17:52:31 EDT 2020

On Wed, Jun 24, 2020 at 01:58:57PM -0700, 'Nick Desaulniers' via Clang Built Linux wrote:
> On Wed, Jun 24, 2020 at 1:33 PM Sami Tolvanen <samitolvanen at google.com> wrote:
> >
> > Filter out CC_FLAGS_LTO for the vDSO.
> Just curious about this patch (and the following one for x86's vdso),
> do you happen to recall specifically what the issues with the vdso's
> are?

I recall the compiler optimizing away functions at some point, but as
LTO is not really needed in the vDSO, it's just easiest to disable it


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